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A re-examination of Libor rigging: a time-varying cointegration perspective

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  • Chew Lian Chua
  • Sandy Suardi
  • Yuanchen Chang

Abstract

Using a time-varying cointegration framework, this paper examines the alleged manipulation of the London interbank offered rate (Libor) during the 2007–2009 financial crisis. Bank quotes are found to be poor indicators of their financing costs in the crisis period. The aberration in the estimated values of the cointegrating and error correction parameters governing the long-run equilibrium relationship between bank quotes and the final Libor suggests banks were submitting lower quotes. Further analysis which controls for an individual bank’s credit risk, market wide credit and liquidity risks, and a common market factor, demonstrate possible evidence of Libor rigging during the crisis period.

Suggested Citation

  • Chew Lian Chua & Sandy Suardi & Yuanchen Chang, 2017. "A re-examination of Libor rigging: a time-varying cointegration perspective," Quantitative Finance, Taylor & Francis Journals, vol. 17(9), pages 1367-1386, September.
    • Handle: RePEc:taf:quantf:v:17:y:2017:i:9:p:1367-1386
    DOI: 10.1080/14697688.2016.1267390
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    References listed on IDEAS

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    1. Kei Imakubo & Takeshi Kimura & Teppei Nagano, 2008. "Cross-currency transmission of money market tensions," Bank of Japan Review Series 08-E-2, Bank of Japan.
    2. Rajdeep Sengupta & Yu Man Tam, 2008. "The LIBOR-OIS spread as a summary indicator," Monetary Trends, Federal Reserve Bank of St. Louis, issue Nov.
    3. Darrell Duffie & Jeremy C. Stein, 2015. "Reforming LIBOR and Other Financial Market Benchmarks," Journal of Economic Perspectives, American Economic Association, vol. 29(2), pages 191-212, Spring.
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    Cited by:

    1. Li, Ming & Sun, Hang & Zong, Jichuan, 2021. "Intertemporal imitation behavior of interbank offered rate submissions," Journal of Banking & Finance, Elsevier, vol. 132(C).

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